F–156
ON-BOARD DIAGNOSTIC
DTC P0703
A6E397001089W01
Diagnostic procedure
DTC P0703
Brake switch input malfunction
DETECTION
CONDITION
•
PCM monitors changes in input voltage from brake switch. If PCM does not detect PCM terminal 1K
voltage changes while alternately accelerating and decelerating
8 times
, PCM determines that neutral
switch circuit has malfunction.
Diagnostic support note
•
This is a continuous monitor (CCM).
•
MIL illuminates if PCM detects the above malfunction condition in two consecutive drive cycles or in one
drive cycle while the DTC for the same malfunction has been stored in the PCM.
•
PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
•
FREEZE FRAME DATA is available.
•
DTC is stored in PCM memory.
POSSIBLE
CAUSE
•
Brake switch malfunction
•
Poor connection of brake switch connector or PCM connector.
•
Short to power between brake switch terminal D and PCM connector terminal 1K.
•
Open harness between brake switch terminal D and PCM connector terminal 1K.
•
Open harness between battery positive terminal and brake switch terminal B.
•
PCM malfunction
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
•
Has FREEZE FRAME DATA been recorded?
Yes Go to next step.
No
Record FREEZE FRAME DATA on repair order, then go to
next step.
2
VERIFY RELATED SERVICE INFORMATION
AVAILABILITY
•
Check for related Service Information
availability.
•
Is any related Service Information available?
Yes Perform repair or diagnosis according to available Service
Information.
•
If vehicle is not repaired, go to next step.
No
Go to next step.
3
CLASSIFY HIGH INPUT OR LOW INPUT
•
Connect WDS or equivalent to DLC-2.
•
Access BOO PID.
•
Verify BOO PID during brake pedal operation.
•
Is BOO PID always OFF?
Yes Go to Next step.
No
Go to Step 10.
Summary of Contents for 6 2002
Page 104: ...F 4 LOCATION INDEX End Of Sie FUEL SYSTEM A6E390001006W01 Engine Room Side A6E3912W015...
Page 151: ...F 36 EXHAUST SYSTEM A6E3914W002...
Page 312: ...F 182 TROUBLESHOOTING QUICK DIAGNOSTIC CHART A6E398018881W02 A6E3980W001...
Page 313: ...TROUBLESHOOTING F 183 F A6E3980W002...
Page 314: ...F 184 TROUBLESHOOTING A6E3980W003...
Page 315: ...TROUBLESHOOTING F 185 F End Of Sie A6E3980W004...
Page 410: ...K 3 K...
Page 526: ...TROUBLESHOOTING K 115 K QUICK DIAGNOSIS CHART A6E568001030W04 A6E5680W001...
Page 527: ...K 116 TROUBLESHOOTING End Of Sie A6E5680W002...
Page 653: ...ON BOARD DIAGNOSTIC ABS TCS P 57 P...
Page 701: ...TROUBLESHOOTING ABS TCS DYNAMIC STABILITY CONTROL P 105 P Vehicle with ABS TCS A6E6980W002...
Page 819: ...OUTSIDE MIRROR S 60 2 THIS PAGE IS INTENTIONALLY LEFT BLANK End Of Sie...
Page 971: ...T 76 WARNING AND INDICATOR SYSTEM Operating Order A6E8118W009...
Page 1150: ...U 4 LOCATION INDEX End Of Sie CONTROL SYSTEM A6E850001042W01 L H D A6E8500W003 A6E8500W004...
Page 1152: ...U 6 LOCATION INDEX R H D A6E8500W005 A6E8500W006...